Lua APA (7ú heag.)

Scientific Digest. Hearst Corporation.

Lua i Stíl Chicago (17ú heag.)

Scientific Digest. US: Hearst Corporation.

Lua MLA (9ú heag.)

Scientific Digest. Hearst Corporation.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.